<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
</head>
<body>
    <form action="user/login" method="post">
      用户名：<input type="text" name="username"><br/>
      密码：<input type="password" name="password"><br/>
      <input type="submit" value="登录">
    </form>
</body>
</html>